package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

/*
 * 套餐管理
 * */
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {

    private SetmealDishService setmealDishService;

    private final SetmealService setmealService;

    private CategoryService categoryService;

    @Autowired
    public SetmealController(SetmealService setmealService) {
        this.setmealService = setmealService;
    }

    @Autowired
    public void setSetmealDishService(SetmealDishService setmealDishService) {
        this.setmealDishService = setmealDishService;
    }

    @Autowired
    public void setCategoryService(CategoryService categoryService) {
        this.categoryService = categoryService;
    }

    @PostMapping
    private R<String> save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息：{}", setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    /*
     * 套餐分页查询
     * */
    @GetMapping("/page")
    public R<Page> page(Integer page, Integer pageSize, String name) {
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> page1 = new Page<>();


        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper();
        queryWrapper.eq(name != null, Setmeal::getName, name);
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo, queryWrapper);

        BeanUtils.copyProperties(pageInfo, page1, "records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(item, setmealDto);
            //分类ID
            Long categoryId = item.getCategoryId();
            //查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        page1.setRecords(list);
        return R.success(page1);
    }

    /*
     * 删除套餐
     * */
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids) {
        log.info("传入的id:{}", ids.toString());
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    /*
    * 根据条件查询套餐数据
    * */
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus()!=null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
}
